177 lines
6.5 KiB
Python
177 lines
6.5 KiB
Python
# Copyright 2014, Doug Wiegley (dougwig), A10 Networks
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import a10_neutron_lbaas
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from neutron.db import l3_db
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from neutron.openstack.common import log as logging
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from neutron.plugins.common import constants
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from neutron_lbaas.db.loadbalancer import loadbalancer_db as lb_db
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from neutron_lbaas.services.loadbalancer.drivers import abstract_driver
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VERSION = "1.0.0"
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LOG = logging.getLogger(__name__)
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# Most driver calls below are straight passthroughs to the A10 package
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# 'a10_neutron_lbaas'. Any function that has not been fully abstracted
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# into the openstack driver/plugin interface is NOT passed through, to
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# make it obvious which hidden interfaces/db calls that we rely on.
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class ThunderDriver(abstract_driver.LoadBalancerAbstractDriver):
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def __init__(self, plugin):
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LOG.debug("A10Driver: init version=%s", VERSION)
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self.plugin = plugin
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# Map the string types to neutron classes/functions, in order to keep
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# from reaching into the bowels of Neutron from anywhere but this file.
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self.neutron_map = {
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'member': {
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'model': lb_db.Member,
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'delete_func': self.plugin._delete_db_member,
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},
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'pool': {
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'model': lb_db.Pool,
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'delete_func': self.plugin._delete_db_pool,
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},
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'vip': {
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'model': lb_db.Vip,
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'delete_func': self.plugin._delete_db_vip,
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},
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}
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LOG.debug("A10Driver: initializing, version=%s, lbaas_manager=%s",
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VERSION, a10_neutron_lbaas.VERSION)
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self.a10 = a10_neutron_lbaas.A10OpenstackLBV1(self)
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# The following private helper methods are used by a10_neutron_lbaas,
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# and reflect the neutron interfaces required by that package.
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def _hm_binding_count(self, context, hm_id):
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return context.session.query(lb_db.PoolMonitorAssociation).filter_by(
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monitor_id=hm_id).join(lb_db.Pool).count()
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def _member_count(self, context, member):
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return context.session.query(lb_db.Member).filter_by(
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tenant_id=member['tenant_id'],
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address=member['address']).count()
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def _member_get(self, context, member_id):
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return self.plugin.get_member(context, member_id)
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def _member_get_ip(self, context, member, use_float=False):
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ip_address = member['address']
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if use_float:
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fip_qry = context.session.query(l3_db.FloatingIP)
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if (fip_qry.filter_by(fixed_ip_address=ip_address).count() > 0):
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float_address = fip_qry.filter_by(
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fixed_ip_address=ip_address).first()
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ip_address = str(float_address.floating_ip_address)
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return ip_address
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def _pool_get_hm(self, context, hm_id):
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return self.plugin.get_health_monitor(context, hm_id)
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def _pool_get_tenant_id(self, context, pool_id):
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pool_qry = context.session.query(lb_db.Pool).filter_by(id=pool_id)
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z = pool_qry.first()
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if z:
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return z.tenant_id
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else:
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return ''
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def _pool_get_vip_id(self, context, pool_id):
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pool_qry = context.session.query(lb_db.Pool).filter_by(id=pool_id)
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z = pool_qry.first()
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if z:
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return z.vip_id
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else:
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return ''
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def _pool_total(self, context, tenant_id):
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return context.session.query(lb_db.Pool).filter_by(
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tenant_id=tenant_id).count()
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def _vip_get(self, context, vip_id):
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return self.plugin.get_vip(context, vip_id)
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def _active(self, context, model_type, model_id):
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self.plugin.update_status(context,
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self.neutron_map[model_type]['model'],
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model_id,
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constants.ACTIVE)
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def _failed(self, context, model_type, model_id):
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self.plugin.update_status(context,
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self.neutron_map[model_type]['model'],
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model_id,
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constants.ERROR)
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def _db_delete(self, context, model_type, model_id):
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self.neutron_map[model_type]['delete_func'](context, model_id)
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def _hm_active(self, context, hm_id, pool_id):
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self.plugin.update_pool_health_monitor(context, hm_id, pool_id,
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constants.ACTIVE)
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def _hm_failed(self, context, hm_id, pool_id):
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self.plugin.update_pool_health_monitor(context, hm_id, pool_id,
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constants.ERROR)
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def _hm_db_delete(self, context, hm_id, pool_id):
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self.plugin._delete_db_pool_health_monitor(context, hm_id, pool_id)
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# Pass-through driver
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def create_vip(self, context, vip):
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self.a10.vip.create(context, vip)
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def update_vip(self, context, old_vip, vip):
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self.a10.vip.update(context, old_vip, vip)
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def delete_vip(self, context, vip):
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self.a10.vip.delete(context, vip)
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def create_pool(self, context, pool):
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self.a10.pool.create(context, pool)
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def update_pool(self, context, old_pool, pool):
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self.a10.pool.update(context, old_pool, pool)
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def delete_pool(self, context, pool):
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self.a10.pool.delete(context, pool)
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def stats(self, context, pool_id):
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return self.a10.pool.stats(context, pool_id)
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def create_member(self, context, member):
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self.a10.member.create(context, member)
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def update_member(self, context, old_member, member):
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self.a10.member.update(context, old_member, member)
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def delete_member(self, context, member):
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self.a10.member.delete(context, member)
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def update_pool_health_monitor(self, context, old_hm, hm, pool_id):
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self.a10.hm.update(context, old_hm, hm, pool_id)
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def create_pool_health_monitor(self, context, hm, pool_id):
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self.a10.hm.create(context, hm, pool_id)
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def delete_pool_health_monitor(self, context, hm, pool_id):
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self.a10.hm.delete(context, hm, pool_id)
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